#include <stdio.h>

    int func(int a)
    {
        int b;
        switch (a)
        {
        case 1: b = 30;
        case 2: b = 20;
        case 3: b = 16;
        default: b = 0;
        }
        return b;

    }
   
    int main()
    {
        int c = func(1);
        printf("%d", c);
        return 0;

    }
    
